Linksys WRT54GR v1.0

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bg (G54)
	Wireless-G Broadband Router with RangeBooster
Support	Support page
Wikipedia	Linksys routers
InfoDepot Wiki	Linksys WRT54GR v1.0
3rd Party Firmware
dd-wrt	Incompatible
OpenWrt	Incompatible
Tomato any flavor	Incompatible
Platform
Brand • Model • Rev	Linksys WRT54GR v1.0
Serial number prefix	MK9
FCC ID	Q87-WRT54GR
IC ID	3839A-WRT54GR
Type	wireless router
CPU1	RDC R3211-G
CPU1 Type	x86-64
CPU1 Speed	not specified
Flash1 Chip	Eon EN29LV320T-70TCP
Flash1 Size	4 MiB4,194,304 B <br />32,768 Kib <br />4,096 KiB <br />32 Mib <br />0.00391 GiB <br />
RAM1 Size	16 MiB16,777,216 B <br />131,072 Kib <br />16,384 KiB <br />128 Mib <br />0.0156 GiB <br />
RAM1 Chip	Nanya NT5SV8M16DS-6K
ETH chip1	RDC R3211-G
Switch	IC+ IP175C
Ethernet Port Count	1-WAN 4-100MbE-LAN
Wired Standard	IEEE 802.3/3u
	802dot11 OUI: none specified;
Stock bootloader	RedBoot
Stock FW OS	Linux 2.4.29
Expansion IF types	Mini PCI
Mini PCI slots	1
Power	12 VDC, 0.5 A
Connector type	barrel
Serial Port (UART)	yes, internal, 9-pin header, Gemtek type1 pinout, (38400 8N1)
Other
	Default SSID: linksys (53 addl. devices); Default IP address: 192.168.1.1; the IP 192.168.1.1 is used by 1326 additional devices; of which 155 are Linksys devices; Default login user: blank; Default login password: admin; blank:admin credentials used by 281 additional devices; of which 135 are Linksys devices
Manuf/OEM/ODM	Gemtek WRTR-136C
Retail
FCC approval date	22 November 2005
UPC	745883566327 ; (UPC DB, On eBay);
ASIN	B000E84C9S , ; multiple uses
Country of manuf	China
Radio 1
Radio1 module	Gemtek WMIR-180GH
Radio1 module IF	Mini PCI
Chip1	Ralink RT2661
Chip2	Ralink RT2529
Wireless interface OUI	none specified
Antenna Connector Type	none specified
MIMO status	1x2:1
Wireless Standard	IEEE 802.11b/g
802.11g	up to 54 Mbps
802.11b	up to 11 Mbps
WiFi Operating Frequency	2.4 GHz

For a list of all currently documented IC+ chipsets with specifications, see IC+.
For a list of all currently documented RDC SoC's with specifications, see RDC.
For a list of all currently documented Ralink chipsets with specifications, see Ralink.

For a list of all currently documented Linksys device with specifications, see Linksys.

• 54 Mbps - 2.4GHz 802.11g = G54 class

Overview

OEM Gemtek WRTR-136C (WRTR-136C_V02)

WRT54GR v1.x serial numbers appear to start with MK9.

Links of Interest

On the OpenWrt Forums

JTAG-Serial Info

Serial

Serial Pinouts

    CON1
      (   )
(GND) (RxD)
(GND) (   )
(VCC) (   )
(VCC) [TxD]

Info derived from

boot log • >>

+Ethernet eth0: MAC address 00:00:01:02:03:04
IP: 192.168.1.1/255.255.255.0, Gateway: 192.168.1.254
Default server: 0.0.0.0

RedBoot(tm) bootstrap and debug environment [ROM]
Non-certified release, version v2_0 - built 18:31:11, Aug  4 2005

Platform: PC (I386)
Copyright (C) 2000, 2001, 2002, Red Hat, Inc.

RAM: 0x00000000-0x000f0000, 0x00072ed0-0x000a0000 available
ver 00:0003  05-24-05

<press Ctrl+C to enter prompt mode>

# Activate RDC-Keilven's RS232 Patch V2
RedBoot>
# Kernel size = 726210 bytes
# FW size = 2651392 bytes

# fwcheck: base = 0x00400000, size = 0x00000400
# Firmware Checksum O.K
# Kernel copying......BEGIN
# Kernel copying......FINISH

mem_size: 1000000
Linux version 2.4.29 (tom@localhost) (gcc version 3.4.1) #146 Mon Jan 23 02:44:10 EST 2006
BIOS-provided physical RAM map:
 BIOS-e801: 0000000000000000 - 000000000009f000 (usable)
 BIOS-e801: 0000000000100000 - 0000000001000000 (usable)
16MB LOWMEM available.
On node 0 totalpages: 4096
zone(0): 4096 pages.
zone(1): 0 pages.
zone(2): 0 pages.
DMI not present.
Kernel command line: console=ttyS0,38400 root=/dev/mtdblock1 noinitrd
Initializing CPU#0
Calibrating delay loop... 49.86 BogoMIPS
Memory: 14288k/16384k available (1068k kernel code, 1708k reserved, 192k data, 76k init, 0k highmem)
Checking if this processor honours the WP bit even in supervisor mode... Ok.
Dentry cache hash table entries: 2048 (order: 2, 16384 bytes)
Inode cache hash table entries: 1024 (order: 1, 8192 bytes)
Mount cache hash table entries: 512 (order: 0, 4096 bytes)
Buffer cache hash table entries: 1024 (order: 0, 4096 bytes)
Page-cache hash table entries: 4096 (order: 2, 16384 bytes)
CPU: Cyrix Cx486SLC
Checking 'hlt' instruction... OK.
Checking for popad bug... OK.
POSIX conformance testing by UNIFIX
PCI: Using configuration type 1
PCI: Probing PCI hardware
PCI: Probing PCI hardware (bus 00)
Linux NET4.0 for Linux 2.4
Based upon Swansea University Computer Society NET3.039
Initializing RT netlink socket
Starting kswapd
devfs: v1.12c (20020818) Richard Gooch (rgooch@atnf.csiro.au)
devfs: boot_options: 0x1
Squashfs 2.1-r2 (released 2004/12/15) (C) 2002-2004 Phillip Lougher
keyboard: Timeout - AT keyboard not present?(ed)
keyboard: Timeout - AT keyboard not present?(f4)
Serial driver version 5.05c (2001-07-08) with MANY_PORTS SHARE_IRQ SERIAL_PCI enabled
ttyS00 at 0x03f8 (irq = 4) is a 16550A
RAMDISK driver initialized: 16 RAM disks of 4096K size 1024 blocksize
rdc: RDC R6040 net driver, version 0.6 (9July2004)
rdc: RDC R6040 net driver, version 0.6 (9July2004)
rdc: RDC R6040 net driver, version 0.6 (9July2004)
PPP generic driver version 2.4.2
flash device: 400000 at ffc00000
## Decide to use AMD/Fujitsu Standard command set.
## MFG ID = 0x007F, DEV ID = 0x22F6
Total size = 4 MB
Creating 5 MTD partitions on "RDC3210 Flash":
0x00000000-0x003c0000 : "linux"
0x000b1500-0x003c0000 : "romfs"
mtd: partition "romfs" doesn't start on an erase block boundary -- force read-only
0x003c0000-0x003d0000 : "nvram"
0x003d0000-0x003e0000 : "factory"
0x003e0000-0x00400000 : "bootldr"
NET4: Linux TCP/IP 1.0 for NET4.0
IP Protocols: ICMP, UDP, TCP, IGMP
IP: routing cache hash table of 512 buckets, 4Kbytes
TCP: Hash tables configured (established 1024 bind 2048)
IPv4 over IPv4 tunneling driver
GRE over IPv4 tunneling driver
Linux IP multicast router 0.06 plus PIM-SM
ip_conntrack version 2.1 (8192 buckets, 65536 max) - 340 bytes per conntrack
ip_tables: (C) 2000-2002 Netfilter core team
ipt_time loading
NET4: Unix domain sockets 1.0/SMP for Linux NET4.0.
NET4: Ethernet Bridge 008 for NET4.0
VFS: Mounted root (squashfs filesystem) readonly.
Mounted devfs on /dev
Freeing unused kernel memory: 76k freed


BusyBox v1.00 (2006.01.23-05:59+0000) Built-in shell (msh)
Enter 'help' for a list of built-in commands.

# #sysinit: [sysinit]
Using /etc/resetDefault.o
Using /etc/RDC_reboot.o
---- Restarting system ----
---- Enable Watchdog ----
# update nvram with default list!
# interfaces_init......
Using /etc/rt61ap.o
Setting ra0 configuration....
CountryRegion=5
BssidNum=1
SSID=linksys
WirelessMode=0
TxRate=0
Channel=6
BeaconPeriod=100
DtimPeriod=1
TxPower=100
BGProtection=0
RTSThreshold=2346
FragThreshold=2346
TxBurst=1
ShortSlot=1
PktAggregate=1
NoForwarding=0
NoForwardingBTNBSSID=0
HideSSID=0
Key1Type=0
Key1Str=
Key2Type=0
Key2Str=
Key3Type=0
Key3Str=
Key4Type=0
Key4Str=
WdsEnable=0
WdsList=
WdsKey=
WdsEncrypType=NONE
AutoChannelSelect=0
RekeyInterval=3600
WPAPSK=
AccessPolicy0=0
RADIUS_Server=0.0.0.0
RADIUS_Port=1812
RADIUS_Key=
own_ip_addr=192.168.1.1
session_timeout_interval=0
DisableOLBC=1
WmmCapable=0
AckPolicy=0;0;0;0
APAifsn=3;7;1;1
APCwmin=4;4;3;2
APCwmax=6;10;4;3
APTxop=0;0;94;47
APACM=0;0;0;0
BSSAifsn=3;7;2;2
BSSCwmin=4;4;3;2
BSSCwmax=10;10;4;3
BSSTxop=0;0;94;47
BSSACM=0;0;0;0
TxAntenna=1
AuthMode=WEPAUTO
EncrypType=NONE
DefaultKeyID=1
BasicRate=15
IEEE8021X=0
device eth1 entered promiscuous mode
device ra0 entered promiscuous mode
ra0: attempt to add interface with same source address.
br0: port 2(ra0) entering listening state
br0: port 1(eth1) entering listening state
# lan services init......

 Configuration file: /var/RT61AP/RT61AP.dat
 conf->SsidNum=1
 IP address: '0.0.0.0'
 RADIUS_Port: '1812'
 Line 39: empty shared secret is not allowed.
 RADIUS_Key: '', Key_len: 0
 session_timeout policy = not use
 Read Session Timeout Interval  0 seconds.
 Set Session Timeout Interval  3600 seconds.
 1 errors found in configuration file '/var/RT61AP/RT61AP.dat'
 Could not allocate memory for rtapd->conf
This is the parent process, pid = 51
Start UPnP
Start tftpd
This is the child process, pid = 60
easytest: No such file or directory
route: resolving gw
Dante's tiny TFTP Server is ready on port 69
route: resolving gw
route: resolving gw
route: resolving gw
route: resolving gw
# wan_init......
httpd : This is httpd...ssl_enabled is 0

Other info • >>

====cat /proc/cpuinfo====
<pre>
# cat /proc/cpuinfo
processor       : 0
vendor_id       : CyrixInstead
cpu family      : 4
model           : 1
model name      : Cx486SLC
stepping        : unknown
fdiv_bug        : no
hlt_bug         : no
f00f_bug        : no
coma_bug        : no
fpu             : no
fpu_exception   : no
cpuid level     : -1
wp              : yes
flags           :
bogomips        : 49.86

cat /proc/version

# cat /proc/version
Linux version 2.4.29 (tom@localhost) (gcc version 3.4.1) #146 Mon Jan 23 02:44:10 EST 2006

cat /proc/cmdline

# cat cmdline
console=ttyS0,38400 root=/dev/mtdblock1 noinitrd

lsmod

# lsmod
Module                  Size  Used by
rt61ap                192952   2
RDC_reboot               644   0 (unused)
resetDefault            1012   0 (unused)

ps aux

# ps aux
  PID  Uid     VmSize Stat Command
    1 0           228 S   /bin/init
    2 0               SW  [keventd]
    3 0               SWN [ksoftirqd_CPU0]
    4 0               SW  [kswapd]
    5 0               SW  [bdflush]
    6 0               SW  [kupdated]
    9 0           320 S   /bin/sh
   24 0           248 S < resetC
   51 0           240 S   httpd
   55 0           264 S   syslogd
   60 0           332 S < httpd
   62 0           208 S   easyconf 192.168.1.1 234.2.2.9 14675
   67 0           244 S   /bin/tftpd
   68 0           216 S   /usr/sbin/udhcpd /tmp/udhcpd.conf
   71 0           848 S   /usr/sbin/udhcpd /tmp/udhcpd.conf
   81 0          1172 S   /usr/sbin/upnp -D -L br0 -W eth0
   87 0           784 S   wan_connect
  105 0           284 R   ps aux

cat /proc/bus/pci/devices

# cat devices
0000    17f36020        0       00000000        00000000        00000000        00000000        00000000        00000000        00000000        00000000        00000000        00000000        00000000        00000000        00000000        00000000
0008    18140401        c       d5000000        00000000        00000000        00000000        00000000        00000000        00000000        00008000        00000000        00000000        00000000        00000000        00000000        00000000        rt61
0038    17f36030        0       00000000        00000000        00000000        00000000        00000000        00000000        00000000        00000000        00000000        00000000        00000000        00000000        00000000        00000000
0040    17f36040        a       0000e801        d1900000        00000000        00000000        00000000        00000000        00000000        00000100        00000100        00000000        00000000        00000000        00000000        00000000        r6040
0048    17f36040        b       0000e901        d2900000        00000000        00000000        00000000        00000000        00000000        00000100        00000100        00000000        00000000        00000000        00000000        00000000        r6040
0050    17f36060        f       d5900000        00000000        00000000        00000000        00000000        00000000        00000000        00001000        00000000        00000000        00000000        00000000        00000000        00000000
0051    17f36061        e       d4900000        00000000        00000000        00000000        00000000        00000000        00000000        00001000        00000000        00000000        00000000        00000000        00000000        00000000

Pictures

User Images

external
angled
front side
left side
right (label) side)
top label
bottom label
back side

internal
board top
CPU
Flash
RAM
Switch
headers
Gemtek board P/N
board bottom
RT2661

Linksys WRT54GR v1.0

Overview

Links of Interest

JTAG-Serial Info

Serial

Serial Pinouts

Info derived from

cat /proc/version

cat /proc/cmdline

lsmod

ps aux

cat /proc/bus/pci/devices

Pictures

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